Joana Rodrigues Sarmento Branco, Pediatric Unit, Doutor Fernando Fonseca, EPE, Lisbon, Portugal Sara Completo Marques, Pediatric Unit, Doutor Fernando Fonseca, EPE, Lisbon, Portugal Piedade Sande Lemos, Pediatric Unit, Doutor Fernando Fonseca, EPE, Lisbon, Portugal Anna Sokolova, Immunoallergology Unit. Hospital Prof. Doutor Fernando Fonseca, EPE, Lisbon, Portugal